CA1038037A - Magnetic testing device for detecting defects in elongated objects - Google Patents

Magnetic testing device for detecting defects in elongated objects

Info

Publication number
CA1038037A
CA1038037A CA251,932A CA251932A CA1038037A CA 1038037 A CA1038037 A CA 1038037A CA 251932 A CA251932 A CA 251932A CA 1038037 A CA1038037 A CA 1038037A
Authority
CA
Canada
Prior art keywords
magnetic
testing device
flux
pole
elongated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA251,932A
Other languages
English (en)
French (fr)
Inventor
Frank Kitzinger
Gregory A. Wint
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Noranda Inc
Original Assignee
Noranda Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Noranda Inc filed Critical Noranda Inc
Priority to CA251,932A priority Critical patent/CA1038037A/en
Priority to US05/728,061 priority patent/US4096437A/en
Priority to GB17838/77A priority patent/GB1539313A/en
Priority to FR7712997A priority patent/FR2350600A1/fr
Priority to SE7705144A priority patent/SE424775B/xx
Priority to AT0317477A priority patent/AT376805B/de
Priority to CH561077A priority patent/CH615758A5/de
Priority to IT23296/77A priority patent/IT1084632B/it
Application granted granted Critical
Publication of CA1038037A publication Critical patent/CA1038037A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA251,932A 1976-05-06 1976-05-06 Magnetic testing device for detecting defects in elongated objects Expired CA1038037A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CA251,932A CA1038037A (en) 1976-05-06 1976-05-06 Magnetic testing device for detecting defects in elongated objects
US05/728,061 US4096437A (en) 1976-05-06 1976-09-30 Magnetic testing device for detecting loss of metallic area and internal and external defects in elongated objects
GB17838/77A GB1539313A (en) 1976-05-06 1977-04-28 Magnetic testing devices for detecting defects in magnetically permeable elongate objects
FR7712997A FR2350600A1 (fr) 1976-05-06 1977-04-29 Appareil d'essai magnetique pour detecter les defauts des objets longs
SE7705144A SE424775B (sv) 1976-05-06 1977-05-03 Magnetisk provanordning for konstaterande av fel i langstreckta foremal
AT0317477A AT376805B (de) 1976-05-06 1977-05-04 Magnetische pruefeinrichtung zur feststellung von oberflaechen- und tiefenfehlern laenglicher, magnetisch permeabler gegenstaende, wie drahtseile od.dgl.
CH561077A CH615758A5 (show.php) 1976-05-06 1977-05-05
IT23296/77A IT1084632B (it) 1976-05-06 1977-05-06 Dispositivo magnetico di prova per rilevare difetti su oggetti allungati.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA251,932A CA1038037A (en) 1976-05-06 1976-05-06 Magnetic testing device for detecting defects in elongated objects

Publications (1)

Publication Number Publication Date
CA1038037A true CA1038037A (en) 1978-09-05

Family

ID=4105885

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,932A Expired CA1038037A (en) 1976-05-06 1976-05-06 Magnetic testing device for detecting defects in elongated objects

Country Status (8)

Country Link
US (1) US4096437A (show.php)
AT (1) AT376805B (show.php)
CA (1) CA1038037A (show.php)
CH (1) CH615758A5 (show.php)
FR (1) FR2350600A1 (show.php)
GB (1) GB1539313A (show.php)
IT (1) IT1084632B (show.php)
SE (1) SE424775B (show.php)

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WO1983000561A1 (fr) * 1981-07-28 1983-02-17 Melgui, Mikhail, Aleksandrovich Procede et dispositif de controle electromagnetique des proprietes mecaniques d'un objet ferromagnetique en mouvement
US4503393A (en) * 1981-10-05 1985-03-05 Exxon Production Research Co. Method and apparatus for detecting flaws in the threaded end of an elongate member using electromagnetic excitation and an automated scanning sensor
US4510447A (en) * 1981-10-26 1985-04-09 Exxon Production Research Co. Inspection apparatus for electromagnetically detecting flaws in the wall of a pipe
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US4546316A (en) * 1982-07-02 1985-10-08 Rotesco Limited Magnetic testing device for supported objects
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EP0134341A1 (en) * 1983-08-22 1985-03-20 Rotesco Inc. Magnetical testing device for supported objects
US4629991A (en) * 1984-04-11 1986-12-16 Pa Incorporated Methods and apparatus for detecting tubular defects having a plurality of expandable arcuate segments
US4636727A (en) * 1984-04-11 1987-01-13 Pa Incorporated Method and apparatus for detecting the location of defects in tubular sections moving past a well head
US4792756A (en) * 1984-04-11 1988-12-20 Pa Incorporated Method and apparatus for measuring axially extending defects in ferromagnetic elements
US4704580A (en) * 1984-04-11 1987-11-03 Pa Incorporated Method and apparatus for measuring the depth of local defects in ferromagnetic elements
US4715442A (en) * 1984-04-11 1987-12-29 Pa Incorporated Apparatus for servicing tubular strings in subterranean wells
US4710712A (en) * 1984-04-11 1987-12-01 Pa Incorporated Method and apparatus for measuring defects in ferromagnetic elements
PL148290B1 (en) * 1985-03-05 1989-10-31 Wyzsza Szkola Pedagog Magnetic defectograph sensing element for determining changes in cross-sectional areas over substantial length of an object being examined
GB2173300B (en) * 1985-04-06 1989-06-28 Schaudt Maschinenbau Gmbh Apparatus for optically monitoring the surface finish of ground workpieces
DE3535117C1 (de) * 1985-10-02 1986-12-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und Vorrichtung zum Vermessen von in nichtmagnetischen Materialien verlegten ferromagnetischen Gegenstaenden
AT389945B (de) * 1986-02-17 1990-02-26 Evg Entwicklung Verwert Ges Verfahren zum ermitteln von fuer die metallurgischen und/oder mechanischen eigenschaften eines magnetisierbaren prueflings massgeblichen parametern auf zerstoerungsfreiem, magnetinduktivem wege, sowie einrichtung zum ausueben dieses verfahrens
ZA871964B (show.php) * 1986-03-25 1987-09-07
GB2203549B (en) * 1987-04-15 1991-05-01 Julian Marsden Carroll Metal corrosion detection
GB8714877D0 (en) * 1987-06-25 1987-07-29 Coal Industry Patents Ltd Non-destructive testing device
DE3723360A1 (de) * 1987-07-15 1989-01-26 Nukem Gmbh Verfahren und vorrichtung zur zerstoerungsfreien pruefung ferromagnetischer koerper mittels magnetisierung
US5036277A (en) * 1987-11-23 1991-07-30 Crucible Societe Anonyme Method of and apparatus for detecting cross sectional area variations in an elongate object by the non-inductive measurement of radial flux variations
DE9011478U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
DE9011477U1 (de) * 1990-08-07 1990-12-20 Nukem GmbH, 63755 Alzenau Anordnung zur zerstörungsfreien Werkstoffprüfung
CA2054797A1 (en) * 1990-11-07 1992-05-08 Nicolaas T. Van Der Walt Electro-magnetic testing of wire ropes
US5245279A (en) * 1992-06-18 1993-09-14 Niagara Mohawk Power Corporation Apparatus and method including flux injector pole position sensors for detecting physical flaws in ferromagnetic objects
US5565771A (en) * 1995-01-18 1996-10-15 Noranda, Inc. Apparatus for increasing linear resolution of electromagnetic wire rope testing
KR100246244B1 (ko) * 1995-10-31 2000-04-01 야마오카 요지로 자기탐상장치
US5828213A (en) * 1996-10-21 1998-10-27 Hickman; Jack R. Method and apparatus for magnetically sampling the uniformity of an elongate object
US6133731A (en) * 1996-11-07 2000-10-17 Case Technologies Ltd. Method and apparatus for the on-line measurement of the strength of metal cables
US5804964A (en) * 1996-11-29 1998-09-08 Noranda Inc. Wire rope damage index monitoring device
US6633159B1 (en) * 1999-03-29 2003-10-14 Otis Elevator Company Method and apparatus for magnetic detection of degradation of jacketed elevator rope
US6100810A (en) * 1999-09-24 2000-08-08 Koorsen; John R. Sensing apparatus for controlling the assembly of rafters by monitoring the position metallic fasteners
GB0005946D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating corrosion
GB0005945D0 (en) * 2000-03-14 2000-05-03 British Nuclear Fuels Plc Improvements in and relating to investigating current
AU2001273765A1 (en) * 2000-07-13 2002-01-30 Eidgenossische Materialprufungs- Und Forschungsanstalt Empa Method and device for the non-destructive examination of steel cables in anchorages
WO2002039102A1 (en) 2000-11-09 2002-05-16 British Nuclear Fuels Plc Monitoring of corrosion induced loss of material by means of a plurality of electrical resistance measurements (field signature method, electrical resistance tomography)
US6990384B2 (en) 2001-10-09 2006-01-24 Laharco, Inc. Truss plate detector
US6720873B1 (en) * 2003-03-03 2004-04-13 Brett D. Tressler Method and apparatus for testing magnetic proximity detectors on ski lifts
US7795864B2 (en) * 2005-03-11 2010-09-14 Baker Hughes Incorporated Apparatus and method of using multi-component measurements for casing evaluation
WO2006106490A2 (en) * 2005-04-08 2006-10-12 Nxp B.V. Multi-axis accelerometer with magnetic field detectors
US20070222438A1 (en) * 2006-03-23 2007-09-27 Dale Reeves Electromagnetic flaw detection apparatus for inspection of a tubular
CN101600961B (zh) * 2007-01-31 2013-08-14 三菱电机株式会社 钢丝绳探伤装置
KR101199653B1 (ko) * 2007-11-13 2012-11-08 미쓰비시덴키 가부시키가이샤 로프 검사 장치
US7719266B1 (en) * 2008-02-29 2010-05-18 Mehrooz Zamanzadeh Non-destructive testing apparatus for the detection of corrosion
JP5035729B2 (ja) * 2008-04-28 2012-09-26 国立大学法人京都大学 張力測定装置
US8368395B2 (en) * 2008-12-17 2013-02-05 Ndt Technologies, Inc. Magnetic inspection device and method for detecting loss in metallic cross section
USH2278H1 (en) * 2011-03-02 2013-07-02 The United States Of America, As Represented By The Secretary Of The Navy Onboard data recorder for a nondestructive test wire rope sensor head
WO2013023818A1 (en) 2011-08-18 2013-02-21 Nv Bekaert Sa Magnetic flux leakage error detection in cords
US9651357B1 (en) 2013-02-07 2017-05-16 University Of South Florida Systems and methods for determining strand position in a post-tensioned tendon
FR3009076B1 (fr) * 2013-07-26 2017-03-31 Michelin & Cie Systeme de mesure de l'epaisseur d'une couche de gomme d'un pneumatique
FI126173B (en) 2013-11-12 2016-07-29 Konecranes Global Oy Condition monitoring of an object having an elongated iron-containing longitudinal axis
US20170299666A1 (en) * 2014-11-17 2017-10-19 Halliburton Energy Services, Inc. Rapid Magnetic Hotspot Detector
CN104458895A (zh) * 2014-12-08 2015-03-25 清华大学 管道三维漏磁成像检测方法及系统
FR3034201B1 (fr) * 2015-03-25 2019-04-19 Soletanche Freyssinet Procede de detection d'un defaut dans un fil metallique d'un ensemble de fils metalliques, en particulier pour une zone d'ancrage d'une structure d'ingenierie civile
US10465509B2 (en) 2016-10-12 2019-11-05 Baker Hughes, A Ge Company, Llc Collocated multitone acoustic beam and electromagnetic flux leakage evaluation downhole
CN109100415A (zh) * 2018-09-03 2018-12-28 中国石油大学(北京) 可穿透管道保温层的无损检测装置
US11493319B2 (en) 2021-03-10 2022-11-08 Roger Dale REEVES Electromagnetic multifunction inspection apparatus
US20250116631A1 (en) * 2023-10-09 2025-04-10 Oceaneering International, Inc. Concentrator for inspecting defects in a ferromagnetic object

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US3271664A (en) * 1961-12-04 1966-09-06 Magnaflux Corp Combined leakage field and eddy current detection system
GB1056765A (en) * 1962-09-15 1967-01-25 Akademia Gorniczo Hutnicza Dzi A magnetic crack detection device for examining elongated objects such as ropes, rodsand steel pipes
US3284701A (en) * 1962-09-28 1966-11-08 Camco Inc Magnetic testing apparatus for measuring internal diameter and surface variations in wall casing
US3315154A (en) * 1965-01-18 1967-04-18 United Gas Corp Method and apparatus for determining the wall thickness of metallic elements utilizing a reciprocal permanent magnet assembly
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GB1261346A (en) * 1968-03-13 1972-01-26 Atomic Energy Authority Uk Improvements in or relating to the detection of magnetic discontinuities
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US3843923A (en) * 1973-07-05 1974-10-22 Stewart & Stevenson Inc Jim Well pipe joint locator using a ring magnet and two sets of hall detectors surrounding the pipe

Also Published As

Publication number Publication date
IT1084632B (it) 1985-05-25
AT376805B (de) 1985-01-10
CH615758A5 (show.php) 1980-02-15
FR2350600B1 (show.php) 1981-02-27
ATA317477A (de) 1984-05-15
FR2350600A1 (fr) 1977-12-02
US4096437A (en) 1978-06-20
SE424775B (sv) 1982-08-09
GB1539313A (en) 1979-01-31
SE7705144L (sv) 1977-11-07

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